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SelectionDAGISel does not "preserve all", since it makes lots of changes

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to the MachineFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77753 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-31 23:36:22 +00:00
parent 2d147c4401
commit a3477fe06d
1 changed files with 3 additions and 1 deletions
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4
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -289,9 +289,11 @@ unsigned SelectionDAGISel::MakeReg(MVT VT) {
void SelectionDAGISel::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<AliasAnalysis>();
AU.addPreserved<AliasAnalysis>();
AU.addRequired<GCModuleInfo>();
AU.addPreserved<GCModuleInfo>();
AU.addRequired<DwarfWriter>();
AU.setPreservesAll();
AU.addPreserved<DwarfWriter>();
MachineFunctionPass::getAnalysisUsage(AU);
}